CONFIG_DRM_AMD_DC: AMD DC - Enable new display engine

General informations

The Linux kernel configuration item CONFIG_DRM_AMD_DC:

• prompt: AMD DC - Enable new display engine
• type: bool
• depends on: CONFIG_BROKEN || ! CONFIG_CC_IS_CLANG || CONFIG_ARM64 || CONFIG_LOONGARCH || CONFIG_RISCV || CONFIG_SPARC64 || CONFIG_X86_64
• defined in drivers/gpu/drm/amd/display/Kconfig
• found in Linux kernels: 4.15–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

Choose this option if you want to use the new display engine support for AMDGPU. This adds required support for Vega and Raven ASICs.

calculate_bandwidth() is presently broken on all !(X86_64 || SPARC64 || ARM64 || LOONGARCH || RISCV) architectures built with Clang (all released versions), whereby the stack frame gets blown up to well over 5k. This would cause an immediate kernel panic on most architectures. We'll revert this when the following bug report has been resolved: https://github.com/llvm/llvm-project/issues/41896.

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The data is retrived from:

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